active matrix screen - a type of LCD screen used for some portable computers; there is a separate circuit for each pixel

alphanumeric display, digital display - a display that gives the information in the form of characters (numbers or letters)

passive matrix display - a type of LCD screen used for some portable computers; parallel wires run both vertically and horizontally and pixels are turned on when the wires intersecting at that pixel are both energized; "passive matrix displays are generally inferior to active matrix displays"